Make ScriptStreamer and dependents Oilpan friendly.

Source/bindings/core/v8/ScriptController.cpp

 /*
  * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Opera Software ASA. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
@@ skipping 553 matching lines @@
     if (context.IsEmpty())
         return v8::Local<v8::Value>();
 
     ScriptState* scriptState = ScriptState::from(context);
     ScriptState::Scope scope(scriptState);
 
     RefPtrWillBeRawPtr<LocalFrame> protect(frame());
     if (frame()->loader().stateMachine()->isDisplayingInitialEmptyDocument())
         frame()->loader().didAccessInitialDocument();
 
-    OwnPtr<ScriptSourceCode> maybeProcessedSourceCode =  InspectorInstrumentation::preprocess(frame(), sourceCode);
-    const ScriptSourceCode& sourceCodeToCompile = maybeProcessedSourceCode ? *maybeProcessedSourceCode : sourceCode;
+    Nullable<ScriptSourceCode> maybeProcessedSourceCode = InspectorInstrumentation::preprocess(frame(), sourceCode);
+    const ScriptSourceCode& sourceCodeToCompile = maybeProcessedSourceCode.isNull() ? sourceCode : maybeProcessedSourceCode.get();
 
     v8::Local<v8::Value> object = executeScriptAndReturnValue(scriptState->context(), sourceCodeToCompile, corsStatus, compilationFinishTime);
     m_sourceURL = savedSourceURL;
 
     if (object.IsEmpty())
         return v8::Local<v8::Value>();
 
     return handleScope.Escape(object);
 }
 
-void ScriptController::executeScriptInIsolatedWorld(int worldID, const Vector<ScriptSourceCode>& sources, int extensionGroup, Vector<v8::Local<v8::Value> >* results)
+void ScriptController::executeScriptInIsolatedWorld(int worldID, const WillBeHeapVector<ScriptSourceCode>& sources, int extensionGroup, Vector<v8::Local<v8::Value> >* results)
 {
     ASSERT(worldID > 0);
 
     RefPtr<DOMWrapperWorld> world = DOMWrapperWorld::ensureIsolatedWorld(isolate(), worldID, extensionGroup);
     WindowProxy* isolatedWorldWindowProxy = windowProxy(*world);
     if (!isolatedWorldWindowProxy->isContextInitialized())
         return;
 
     ScriptState* scriptState = isolatedWorldWindowProxy->scriptState();
     v8::Context::Scope scope(scriptState->context());
     v8::Local<v8::Array> resultArray = v8::Array::New(isolate(), sources.size());
 
     for (size_t i = 0; i < sources.size(); ++i) {
         v8::Local<v8::Value> evaluationResult = executeScriptAndReturnValue(scriptState->context(), sources[i]);
         if (evaluationResult.IsEmpty())
             evaluationResult = v8::Local<v8::Value>::New(isolate(), v8::Undefined(isolate()));
         resultArray->Set(i, evaluationResult);
     }
 
     if (results) {
         for (size_t i = 0; i < resultArray->Length(); ++i)
             results->append(resultArray->Get(i));
     }
 }
 
 } // namespace blink